Pulp-wood chipper.



, PATENTED FEB.26,'190'7.

G. F. ROWE. PULP WOOD OHIPPER.

APPLIGATION FILED JAILQ, 1907.

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UNITED STATES PATENT EErcE.

GEORGE E. ROWE, OF BANGOR, MAINE.

PULP-WOOD CHIPPER.

Specification of Letters Patent. Patented Feb. 26, 1907.

Application filed January 9. 1907. Serial No. 351,405.

To (I/ll wfl/mwit U/ wfiwwnl I or rilo A, rejecting from the face of the disk Be it known that I, GEORGE E. ROWE, a i B toward the mouth of the chute C to such citizen of the United States, residin" at Banextent as to terminate nearly or exactly in gor, in the county of Penohscot State of I the plane of the cutting edges of the knives Maine, have invented certain new and useful D and so placed on the disk with reference Improvements in Pulp-Wood Ohippers, of to its center as to coincide with the otter which the following is a specification. ends of the knives. By this means the space My invention consists of an improvement between the disk and the IDOL th of the chute in chippers used in machines for the manu is closed and the escape of the splinters and slivers is prevented, they being th s held and facture of pulp-wood chips, and is fully illus trated in the accompanying drawings, in subjected to the further action of the cutters and reduced to chips of the desired form.

which Figure 1 is a side elevation of complete cutl I make no claim on any chipper-disk with- Fig. 2 is a plan. Fig. 8 is a partial sec- I out the annular flange placed, shaped, and tion of disk at a knife. arranged substantially as shown, which flange, Similar letters refer to corresponding parts serving as a catch and guard, in comtination throughout the figures. with the other parts, constitutes the whole of I my invention.

In the cutters in use the knives are set ra- Having thus described my invention, what dially or nearly so in the flat surface of a circular chipper-disk near its periphery, the cut- I claim, and desire to secure by Letters Patent, is

ting edge of the knives projecting one-half an In a. chipper for making pulp-wood chips,

inch or more from the face of the disk and just a chipper-disk having knives projecting from clearing the mouth of the chute or spout throu h which the block of Wood is fed to the its face; slots behind said knives and in front knives. the chips falling through slots in the of their cutting edges; and an annular flange or rib on the face of said disk, projecting l l I disk tehind and in front of the knives. This i arrangement of the knives leaves an open therefrom substantially to the same extent unguarded space l;etween the face of the as the cutting edges of said knives; and s0 disk and the mouth of the chute as tread as placed on said disk as to include said knives the projection of the knives from the face of I and sulcstantially to coincide with the curve the disk, which allows the escape of slivers including the outer ends thereof. and splinters which are produced in the chipping process and occasions very apple GEORGE ROWE cialile waste. Witnesses:

My improvement is designed to prevent A. B. FOsTER,

this waste, and consists of an annular flange MILDRED B. BAILEY. 

